Vulnerability in Zephyrproject Zephyr
CVE-2026-11812
The UpdateHub management subsystem (subsys/mgmt/updatehub/updatehub.c) drives every update operation through a single file-scope ctx structure that holds the CoAP block context, payload buffer, status code, socket, and a one-element poll-f…
Vulnerability class: Race Condition
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Zephyrproject Zephyr — versions 2.0.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-11812?
- CVE-2026-11812 is a low-severity vulnerability in Zephyrproject Zephyr, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 2.5/10. Published 2026-08-10.
- How severe is CVE-2026-11812?
- Low severity. CVSS v3 base score is 2.5 out of 10.